Earth and Sky:Spider Widows 蜘蛛寡妇

Spider Widows 蜘蛛寡妇 Spiders give many of us the shivers, though they usually leave people alone. Sometimes these spectacular predators instead prey on each other. Learn more about when spiders serve themselves as dinner -- today on Earth and Sky.

SSS 2011-11-21

Male nursery web spiders often woo potential lady-friends with gifts wrapped in silk. Mating may ensue, during which a female unspools the present, expecting to find a tasty treat. But the males can be unscrupulous. Some offerings contain inedible pl

SSS 2012-02-22

This is Scientific American 60 second science, I am Christopher Intagliata, got a minute? The most common types of ingested birth control contain estrogen. But the hormone doesnt just prevent human babies. It may be lowering numbers of frog babies, t

【趣谈英语】圣诞老人的驯鹿一定是雌性的-Santa’s Reindeer Must Be Female

Pre-Listening Vocabulary depict: to show visually antlers: branch-like horns made of bone mating season: the time of year when animals reproduce Santas Reindeer Must Be Female If youve ever seen images of Santa Clauss reindeer, you know that they are

国家地理:Octopus Mating 章鱼交配

OK, we are back in the world of the Cyanea octopus. It's mating time. Here's your potential conquest. She doesn't know you're alive. She's too busy cleaning trash from her house. Now you are the perceptive type. You use your sensitive disks for any s

国家地理:Animal Mating: Blue-Footed Boobies 蓝脚鲣鸟

The mating ritual of each species on Earth has certain, well, peculiarities. As you might tell it from the name of the species itself, blue-footed boobies are no exception to this rule. Here in the Galapagos Islands, this pair of blue-footed boobies

英语听力文摘 English Digest 514、鱼的招亲广告

Fish ad 鱼的招亲广告 Today we're looking at fish single's ads, let's see--- single fish female seeks good father to help with eggs. Come on, don't be serious. Fish don't place ad in a paper, plus I thought a common assumption in biology is that

基因决定了你配偶的类型

Chances are, youre going to marry someone a lot like you. Similar intelligence, similar height, similar body weight. A new study of tens of thousands of married couples suggests that this isnt an accident. We dont marry educated people because we hap

TED演讲:科技并没有改变爱 为什么?(2)

How is technology changing love? I'm going to say almost not at all. 科技改变了爱吗？我认为没有。 I study the brain. I and my colleagues have put over 100 people into a brain scanner 我从事大脑研究。我和我的同事们对100多人

VOA标准英语2010年-Female Condoms Unpopular Among Liberia

Some AIDS workers in Liberia say the way to stem the country's HIV rate is to urge women to wear female condoms. But others argue the female condom is impractical, and broader HIV/AIDS education is needed. As a health worker at an HIV/AIDS clinic in

美国国家公共电台 NPR Raise Your (He)art Rate With A Workout At The Met

STEVE INSKEEP, HOST: The Great Hall at New York City's Metropolitan Museum of Art has a way of humbling people and hushing you to prepare for some quiet contemplation. For the next few weeks, though, through March 9, it's also the starting point for

英语听力：自然百科 Mating Moments 求偶时刻

Ok, here is the clinic for you guys out there on the Dos and Donts of finding emotional joy and carnal fulfillment in its most primitive form, if you get my drift. This male wildebeest dashes up to this herd of females, oblivious to the fact that oth

【英语语言学习】TED演讲

I have a daughter, Mulan. And when she was eight, last year, she was doing a report for school or she had some homework about frogs. And we were at this restaurant, and she said, So, basically, frogs lay eggs and the eggs turn into tadpoles, and tadp

英语听力文摘 English Digest 442、别样的择偶观

Wolf Spider Mating Choices Well, you know what they say. A woman will marry the man who reminds her of her father, and a man will marry a woman who reminds him of his mother. Well were hardly the only animals to choose mates based on our early social

女性天生有“出轨基因”

Women are 'genetically programmed to have affairs' 女性天生有出轨基因 Women are predisposed by their genetics to have affairs as back-up plans' if their relationships fail, according to a research paper. 研究结果表明，如果恋爱或者

英文摇滚歌曲：Lordi - Who′s Your Daddy

Oh! Yeah, yeah, yeah, yeah Yeah, yeah, yeah, yeah All the vixens stand in line Waiting for my fright night Be the new flesh for the sacrifice Screaming out the mating call I've become the lord of love I break your will I'll break your will for good I

TED演讲:恋爱中的大脑(2)

We found activity in a tiny, little factory near the base of the brain 我们发现在大脑底部附近有一块活跃的微小的区域 called the ventral tegmental area. 腹侧背盖区。 We found activity in some cells called the A10 cells, 其中

英语听力：澳洲新闻 (ABC新闻快递) 2014-03-05

Virgin Australia says it's very pleased with the government's intentions to scrape parts of the Qantas sell act,which limit foreign ownership. It says the outcome supports their competition in the Australia aviation market. The airline remains oppose

经济学人309:节肢动物学 情人为食

Science and technology 科学技术 Arachnology 节肢动物学 Having a mate for dinner 情人为食 Male spiders make the supreme sacrifice for their children 雄蛛对后代的无私奉献 AMONG spiders, the female of the species really is more de

【英语时差8,16】蜗牛（上）

No matter the species, mating rituals are pretty weird. Take the praying mantis. After an intimate tryst, the female mantis bites its partners head off. But when it comes to sexual hijinks, nothing beats the garden snail. During sex, garden snails of